Question

The sum of 8 times a number and twice the number

Answer 1

8a+2a

Explanation:

lets represent "number" as a

8 times a number = 8 x a = 8a

and you have twice the number = 2 x a = 2a

then you have sum which is another term for addition = 8a + 2a

Answer 2

8n+2n

Explanation:

Let the number be "n"

What is the 8 times of "n" = 8n

What is the twice of "n" = 2n

Sum of these two will be = 8n+2n